Nichols, M. Leona. The Mantle of Elias: The Story of Fathers Blanchet and Demers in Early Oregon. Portland, Ore.: Binfords and Mort, 1941; FHL Collection film 372495; digital version at Ancestry ($). An index is at the Oregon State Archives.

The Family History Library collection includes histories of some denominations, such as the Roman Catholics, Methodists, Baptists, and Quakers. The library has few original church records for Oregon.